ata-micron.c revision 183724
1/*- 2 * Copyright (c) 1998 - 2008 S�ren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/dev/ata/chipsets/ata-micron.c 183724 2008-10-09 12:56:57Z sos $"); 29 30#include "opt_ata.h" 31#include <sys/param.h> 32#include <sys/module.h> 33#include <sys/systm.h> 34#include <sys/kernel.h> 35#include <sys/ata.h> 36#include <sys/bus.h> 37#include <sys/endian.h> 38#include <sys/malloc.h> 39#include <sys/lock.h> 40#include <sys/mutex.h> 41#include <sys/sema.h> 42#include <sys/taskqueue.h> 43#include <vm/uma.h> 44#include <machine/stdarg.h> 45#include <machine/resource.h> 46#include <machine/bus.h> 47#include <sys/rman.h> 48#include <dev/pci/pcivar.h> 49#include <dev/pci/pcireg.h> 50#include <dev/ata/ata-all.h> 51#include <dev/ata/ata-pci.h> 52#include <ata_if.h> 53 54/* local prototypes */ 55static int ata_micron_chipinit(device_t dev); 56static void ata_micron_setmode(device_t dev, int mode); 57 58 59/* 60 * Cenatek chipset support functions 61 */ 62static int 63ata_micron_probe(device_t dev) 64{ 65 struct ata_pci_controller *ctlr = device_get_softc(dev); 66 67 if (pci_get_devid(dev) == ATA_MICRON_RZ1000 || 68 pci_get_devid(dev) == ATA_MICRON_RZ1001) { 69 device_set_desc(dev, 70 "RZ 100? ATA controller !WARNING! data loss/corruption risk"); 71 ctlr->chipinit = ata_micron_chipinit; 72 return 0; 73 } 74 else 75 return ENXIO; 76} 77 78static int 79ata_micron_chipinit(device_t dev) 80{ 81 struct ata_pci_controller *ctlr = device_get_softc(dev); 82 83 if (ata_setup_interrupt(dev, ata_generic_intr)) 84 return ENXIO; 85 86 ctlr->setmode = ata_micron_setmode; 87 return 0; 88} 89 90static void 91ata_micron_setmode(device_t dev, int mode) 92{ 93 struct ata_device *atadev = device_get_softc(dev); 94 95 mode = ata_limit_mode(dev, mode, ATA_UDMA2); 96 mode = ata_check_80pin(dev, mode); 97 if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode)) 98 atadev->mode = mode; 99} 100 101ATA_DECLARE_DRIVER(ata_micron); 102